
Crick and Watson's DNA Molecular Model
1953
1953
1952-3
1951
1953
1953
1830 (original); 1967 (model)
1950-1952
1951-1953
1839 (original); circa 1988 (replica)
1951
1953
1951
1950
1990-96
1950
1953
1950
1950
2000-100 BCE
1951
circa 1953
1950-1953
1990-95
1951-1953
1953
circa 1950
1938 and 1951
1950
1950
1951
1951
circa 1950s
1951
1950
1950-1953
1903 (original); 1982 (model)
circa 1950
1950
4000-2001 BCE
1960-1979
2050-1750 BCE
1953
1951
1955; 1830
1951
1950 - 2000
1951
1953
1798 (original); 1977 (model)
1879 (1956)